Don't toss out those cardboard tubes just yet. Whenever you have one leftover from a roll of paper towels, toilet paper, or wrapping paper, hang on to it, because it's got some great DIY potential.

Cardboard tubes of all sizes can be handy for a variety of uses, from storing plastic grocery bags to keeping your boots upright to prevent creasing. You can also store your sharp knives safely, keep important documents clean and dry, and give your beloved hamster a fun tunnel to crawl through.